gem5
v20.1.0.0
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#include <gic_v3.hh>
Public Types | |
enum | IntStatus { INT_INACTIVE, INT_PENDING, INT_ACTIVE, INT_ACTIVE_PENDING } |
enum | GroupId { G0S, G1S, G1NS } |
enum | IntTriggerType { INT_LEVEL_SENSITIVE, INT_EDGE_TRIGGERED } |
Public Types inherited from BaseGic | |
enum | GicVersion { GicVersion::GIC_V2, GicVersion::GIC_V3, GicVersion::GIC_V4 } |
typedef BaseGicParams | Params |
Public Types inherited from PioDevice | |
typedef PioDeviceParams | Params |
Public Types inherited from ClockedObject | |
typedef ClockedObjectParams | Params |
Parameters of ClockedObject. More... | |
Public Types inherited from SimObject | |
typedef SimObjectParams | Params |
Public Member Functions | |
Gicv3 (const Params *p) | |
void | deassertInt (uint32_t cpu, ArmISA::InterruptTypes int_type) |
void | deassertAll (uint32_t cpu) |
bool | haveAsserted (uint32_t cpu) const |
Gicv3CPUInterface * | getCPUInterface (int cpu_id) const |
Gicv3Distributor * | getDistributor () const |
Gicv3Redistributor * | getRedistributor (ContextID context_id) const |
Gicv3Redistributor * | getRedistributorByAffinity (uint32_t affinity) const |
Gicv3Redistributor * | getRedistributorByAddr (Addr address) const |
void | postInt (uint32_t cpu, ArmISA::InterruptTypes int_type) |
Public Member Functions inherited from BaseGic | |
BaseGic (const Params *p) | |
virtual | ~BaseGic () |
const Params * | params () const |
ArmSystem * | getSystem () const |
Public Member Functions inherited from PioDevice | |
PioDevice (const Params *p) | |
virtual | ~PioDevice () |
const Params * | params () const |
void | init () override |
init() is called after all C++ SimObjects have been created and all ports are connected. More... | |
Port & | getPort (const std::string &if_name, PortID idx=InvalidPortID) override |
Get a port with a given name and index. More... | |
Public Member Functions inherited from ClockedObject | |
ClockedObject (const ClockedObjectParams *p) | |
const Params * | params () const |
void | serialize (CheckpointOut &cp) const override |
Serialize an object. More... | |
void | unserialize (CheckpointIn &cp) override |
Unserialize an object. More... | |
Public Member Functions inherited from SimObject | |
const Params * | params () const |
SimObject (const Params *_params) | |
virtual | ~SimObject () |
virtual const std::string | name () const |
virtual void | loadState (CheckpointIn &cp) |
loadState() is called on each SimObject when restoring from a checkpoint. More... | |
virtual void | initState () |
initState() is called on each SimObject when not restoring from a checkpoint. More... | |
virtual void | regProbePoints () |
Register probe points for this object. More... | |
virtual void | regProbeListeners () |
Register probe listeners for this object. More... | |
ProbeManager * | getProbeManager () |
Get the probe manager for this object. More... | |
virtual void | startup () |
startup() is the final initialization call before simulation. More... | |
DrainState | drain () override |
Provide a default implementation of the drain interface for objects that don't need draining. More... | |
virtual void | memWriteback () |
Write back dirty buffers to memory using functional writes. More... | |
virtual void | memInvalidate () |
Invalidate the contents of memory buffers. More... | |
void | serialize (CheckpointOut &cp) const override |
Serialize an object. More... | |
void | unserialize (CheckpointIn &cp) override |
Unserialize an object. More... | |
Public Member Functions inherited from EventManager | |
EventQueue * | eventQueue () const |
void | schedule (Event &event, Tick when) |
void | deschedule (Event &event) |
void | reschedule (Event &event, Tick when, bool always=false) |
void | schedule (Event *event, Tick when) |
void | deschedule (Event *event) |
void | reschedule (Event *event, Tick when, bool always=false) |
void | wakeupEventQueue (Tick when=(Tick) -1) |
This function is not needed by the usual gem5 event loop but may be necessary in derived EventQueues which host gem5 on other schedulers. More... | |
void | setCurTick (Tick newVal) |
EventManager (EventManager &em) | |
Event manger manages events in the event queue. More... | |
EventManager (EventManager *em) | |
EventManager (EventQueue *eq) | |
Public Member Functions inherited from Serializable | |
Serializable () | |
virtual | ~Serializable () |
void | serializeSection (CheckpointOut &cp, const char *name) const |
Serialize an object into a new section. More... | |
void | serializeSection (CheckpointOut &cp, const std::string &name) const |
void | unserializeSection (CheckpointIn &cp, const char *name) |
Unserialize an a child object. More... | |
void | unserializeSection (CheckpointIn &cp, const std::string &name) |
Public Member Functions inherited from Drainable | |
DrainState | drainState () const |
Return the current drain state of an object. More... | |
virtual void | notifyFork () |
Notify a child process of a fork. More... | |
Public Member Functions inherited from Stats::Group | |
Group (Group *parent, const char *name=nullptr) | |
Construct a new statistics group. More... | |
virtual | ~Group () |
virtual void | regStats () |
Callback to set stat parameters. More... | |
virtual void | resetStats () |
Callback to reset stats. More... | |
virtual void | preDumpStats () |
Callback before stats are dumped. More... | |
void | addStat (Stats::Info *info) |
Register a stat with this group. More... | |
const std::map< std::string, Group * > & | getStatGroups () const |
Get all child groups associated with this object. More... | |
const std::vector< Info * > & | getStats () const |
Get all stats associated with this object. More... | |
void | addStatGroup (const char *name, Group *block) |
Add a stat block as a child of this block. More... | |
const Info * | resolveStat (std::string name) const |
Resolve a stat by its name within this group. More... | |
Group ()=delete | |
Group (const Group &)=delete | |
Group & | operator= (const Group &)=delete |
Public Member Functions inherited from Clocked | |
void | updateClockPeriod () |
Update the tick to the current tick. More... | |
Tick | clockEdge (Cycles cycles=Cycles(0)) const |
Determine the tick when a cycle begins, by default the current one, but the argument also enables the caller to determine a future cycle. More... | |
Cycles | curCycle () const |
Determine the current cycle, corresponding to a tick aligned to a clock edge. More... | |
Tick | nextCycle () const |
Based on the clock of the object, determine the start tick of the first cycle that is at least one cycle in the future. More... | |
uint64_t | frequency () const |
Tick | clockPeriod () const |
double | voltage () const |
Cycles | ticksToCycles (Tick t) const |
Tick | cyclesToTicks (Cycles c) const |
Static Public Attributes | |
static const int | INTID_SECURE = 1020 |
static const int | INTID_NONSECURE = 1021 |
static const int | INTID_SPURIOUS = 1023 |
static const int | SGI_MAX = 16 |
static const int | PPI_MAX = 16 |
Protected Types | |
typedef Gicv3Params | Params |
Protected Member Functions | |
void | clearInt (uint32_t int_id) override |
Clear an interrupt from a device that is connected to the GIC. More... | |
void | clearPPInt (uint32_t int_id, uint32_t cpu) override |
AddrRangeList | getAddrRanges () const override |
Every PIO device is obliged to provide an implementation that returns the address ranges the device responds to. More... | |
void | init () override |
init() is called after all C++ SimObjects have been created and all ports are connected. More... | |
const Params * | params () const |
Tick | read (PacketPtr pkt) override |
Pure virtual function that the device must implement. More... | |
void | reset () |
void | sendInt (uint32_t int_id) override |
Post an interrupt from a device that is connected to the GIC. More... | |
void | sendPPInt (uint32_t int_id, uint32_t cpu) override |
Interface call for private peripheral interrupts. More... | |
void | serialize (CheckpointOut &cp) const override |
Serialize an object. More... | |
void | unserialize (CheckpointIn &cp) override |
Unserialize an object. More... | |
Tick | write (PacketPtr pkt) override |
Pure virtual function that the device must implement. More... | |
bool | supportsVersion (GicVersion version) override |
Check if version supported. More... | |
Protected Member Functions inherited from Drainable | |
Drainable () | |
virtual | ~Drainable () |
virtual void | drainResume () |
Resume execution after a successful drain. More... | |
void | signalDrainDone () const |
Signal that an object is drained. More... | |
Protected Member Functions inherited from Clocked | |
Clocked (ClockDomain &clk_domain) | |
Create a clocked object and set the clock domain based on the parameters. More... | |
Clocked (Clocked &)=delete | |
Clocked & | operator= (Clocked &)=delete |
virtual | ~Clocked () |
Virtual destructor due to inheritance. More... | |
void | resetClock () const |
Reset the object's clock using the current global tick value. More... | |
virtual void | clockPeriodUpdated () |
A hook subclasses can implement so they can do any extra work that's needed when the clock rate is changed. More... | |
Protected Attributes | |
Gicv3Distributor * | distributor |
std::vector< Gicv3Redistributor * > | redistributors |
std::vector< Gicv3CPUInterface * > | cpuInterfaces |
Gicv3Its * | its |
AddrRange | distRange |
AddrRange | redistRange |
AddrRangeList | addrRanges |
uint64_t | redistSize |
Protected Attributes inherited from BaseGic | |
Platform * | platform |
Platform this GIC belongs to. More... | |
Protected Attributes inherited from PioDevice | |
System * | sys |
PioPort< PioDevice > | pioPort |
The pioPort that handles the requests for us and provides us requests that it sees. More... | |
Protected Attributes inherited from SimObject | |
const SimObjectParams * | _params |
Cached copy of the object parameters. More... | |
Protected Attributes inherited from EventManager | |
EventQueue * | eventq |
A pointer to this object's event queue. More... | |
Friends | |
class | Gicv3CPUInterface |
class | Gicv3Redistributor |
Additional Inherited Members | |
Static Public Member Functions inherited from SimObject | |
static void | serializeAll (CheckpointOut &cp) |
Serialize all SimObjects in the system. More... | |
static SimObject * | find (const char *name) |
Find the SimObject with the given name and return a pointer to it. More... | |
Static Public Member Functions inherited from Serializable | |
static const std::string & | currentSection () |
Gets the fully-qualified name of the active section. More... | |
static void | serializeAll (const std::string &cpt_dir) |
Serializes all the SimObjects. More... | |
static void | unserializeGlobals (CheckpointIn &cp) |
Public Attributes inherited from ClockedObject | |
PowerState * | powerState |
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protected |
enum Gicv3::GroupId |
enum Gicv3::IntStatus |
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Clear an interrupt from a device that is connected to the GIC.
Depending on the configuration, the GIC may de-assert it's CPU line.
num | number of interrupt to send |
Implements BaseGic.
Definition at line 180 of file gic_v3.cc.
References Gicv3Distributor::clearInt(), distributor, and DPRINTF.
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void Gicv3::deassertAll | ( | uint32_t | cpu | ) |
Definition at line 225 of file gic_v3.cc.
References IntrControl::clearAll(), Platform::intrctrl, and BaseGic::platform.
Referenced by Gicv3CPUInterface::clearPendingInterrupts().
void Gicv3::deassertInt | ( | uint32_t | cpu, |
ArmISA::InterruptTypes | int_type | ||
) |
Definition at line 219 of file gic_v3.cc.
References IntrControl::clear(), Platform::intrctrl, and BaseGic::platform.
Referenced by Gicv3CPUInterface::update(), and Gicv3CPUInterface::virtualUpdate().
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inlineoverrideprotectedvirtual |
Every PIO device is obliged to provide an implementation that returns the address ranges the device responds to.
Implements PioDevice.
Definition at line 107 of file gic_v3.hh.
References addrRanges.
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Definition at line 137 of file gic_v3.hh.
References cpuInterfaces.
Referenced by Gicv3Redistributor::init(), and ArmISA::ISA::setupThreadContext().
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Definition at line 144 of file gic_v3.hh.
References distributor.
Referenced by Gicv3Redistributor::init(), Gicv3CPUInterface::init(), and Gicv3Its::read().
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Definition at line 150 of file gic_v3.hh.
References redistributors.
Referenced by Gicv3CPUInterface::generateSGI(), Gicv3Its::getRedistributor(), Gicv3CPUInterface::init(), Gicv3Distributor::route(), and Gicv3Distributor::update().
Gicv3Redistributor * Gicv3::getRedistributorByAddr | ( | Addr | address | ) | const |
Definition at line 249 of file gic_v3.cc.
References addr, AddrRange::contains(), panic_if, redistRange, redistributors, redistSize, and AddrRange::start().
Referenced by Gicv3Its::getRedistributor(), read(), and write().
Gicv3Redistributor * Gicv3::getRedistributorByAffinity | ( | uint32_t | affinity | ) | const |
Definition at line 237 of file gic_v3.cc.
References redistributors.
Referenced by Gicv3Distributor::route().
bool Gicv3::haveAsserted | ( | uint32_t | cpu | ) | const |
Definition at line 231 of file gic_v3.cc.
References IntrControl::havePosted(), Platform::intrctrl, and BaseGic::platform.
Referenced by Gicv3CPUInterface::havePendingInterrupts().
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overrideprotectedvirtual |
init() is called after all C++ SimObjects have been created and all ports are connected.
Initializations that are independent of unserialization but rely on a fully instantiated and connected SimObject graph should be done here.
Reimplemented from BaseGic.
Definition at line 60 of file gic_v3.cc.
References Gicv3Distributor::ADDR_RANGE_SIZE, addrRanges, cpuInterfaces, distRange, distributor, Gicv3CPUInterface, Gicv3Redistributor, ArmISA::i, BaseGic::init(), Gicv3Distributor::init(), its, panic_if, params(), RangeSize(), redistRange, redistributors, redistSize, Gicv3Its::setGIC(), System::Threads::size(), PioDevice::sys, and System::threads.
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inlineprotected |
Definition at line 115 of file gic_v3.hh.
References SimObject::_params.
Referenced by init(), read(), Gicv3CPUInterface::setThreadContext(), supportsVersion(), and write().
void Gicv3::postInt | ( | uint32_t | cpu, |
ArmISA::InterruptTypes | int_type | ||
) |
Definition at line 205 of file gic_v3.cc.
References ArmSystem::callClearStandByWfi(), Platform::intrctrl, BaseGic::platform, IntrControl::post(), PioDevice::sys, and System::threads.
Referenced by Gicv3CPUInterface::update(), and Gicv3CPUInterface::virtualUpdate().
Pure virtual function that the device must implement.
Called when a read command is recieved by the port.
pkt | Packet describing this request |
Implements PioDevice.
Definition at line 99 of file gic_v3.cc.
References addr, AddrRange::contains(), distRange, distributor, DPRINTF, Packet::getAddr(), getRedistributorByAddr(), Packet::getSize(), Packet::isSecure(), Packet::makeAtomicResponse(), panic, panic_if, params(), Gicv3Redistributor::processorNumber(), Gicv3Redistributor::read(), Gicv3Distributor::read(), redistRange, redistSize, Packet::req, Packet::setUintX(), and AddrRange::start().
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overrideprotectedvirtual |
Post an interrupt from a device that is connected to the GIC.
Depending on the configuration, the GIC will pass this interrupt on through to a CPU.
num | number of interrupt to send |
Implements BaseGic.
Definition at line 173 of file gic_v3.cc.
References distributor, DPRINTF, and Gicv3Distributor::sendInt().
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overrideprotectedvirtual |
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overrideprotectedvirtual |
Serialize an object.
Output an object's state into the current checkpoint section.
cp | Checkpoint state |
Implements Serializable.
Definition at line 265 of file gic_v3.cc.
References cpuInterfaces, csprintf(), distributor, redistributors, and Serializable::serializeSection().
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overrideprotectedvirtual |
Check if version supported.
Implements BaseGic.
Definition at line 212 of file gic_v3.cc.
References BaseGic::GIC_V3, BaseGic::GIC_V4, and params().
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Unserialize an object.
Read an object's state from the current checkpoint section.
cp | Checkpoint state |
Implements Serializable.
Definition at line 281 of file gic_v3.cc.
References cpuInterfaces, csprintf(), distributor, BaseGic::getSystem(), redistributors, ArmSystem::setGIC(), and Serializable::unserializeSection().
Pure virtual function that the device must implement.
Called when a write command is recieved by the port.
pkt | Packet describing this request |
Implements PioDevice.
Definition at line 136 of file gic_v3.cc.
References addr, AddrRange::contains(), data, distRange, distributor, DPRINTF, Packet::getAddr(), getRedistributorByAddr(), Packet::getSize(), Packet::getUintX(), Packet::isSecure(), Packet::makeAtomicResponse(), panic, panic_if, params(), Gicv3Redistributor::processorNumber(), redistRange, redistSize, Packet::req, AddrRange::start(), Gicv3Redistributor::write(), and Gicv3Distributor::write().
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Definition at line 66 of file gic_v3.hh.
Referenced by getAddrRanges(), and init().
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Definition at line 62 of file gic_v3.hh.
Referenced by getCPUInterface(), init(), serialize(), and unserialize().
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Definition at line 60 of file gic_v3.hh.
Referenced by clearInt(), getDistributor(), init(), read(), sendInt(), serialize(), unserialize(), and write().
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Definition at line 73 of file gic_v3.hh.
Referenced by Gicv3CPUInterface::getHPPIR0(), and Gicv3CPUInterface::getHPPIR1().
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Definition at line 72 of file gic_v3.hh.
Referenced by Gicv3CPUInterface::deactivateIRQ(), Gicv3CPUInterface::getHPPIR0(), Gicv3CPUInterface::getHPPIR1(), Gicv3Distributor::Gicv3Distributor(), Gicv3CPUInterface::readMiscReg(), Gicv3CPUInterface::setMiscReg(), and Gicv3CPUInterface::virtualDeactivateIRQ().
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Definition at line 74 of file gic_v3.hh.
Referenced by Gicv3CPUInterface::getHPPIR0(), Gicv3CPUInterface::getHPPIR1(), Gicv3CPUInterface::Gicv3CPUInterface(), Gicv3Its::lpiOutOfRange(), Gicv3CPUInterface::readMiscReg(), and Gicv3CPUInterface::setMiscReg().
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Definition at line 79 of file gic_v3.hh.
Referenced by Gicv3Redistributor::clearPPInt(), Gicv3CPUInterface::deactivateIRQ(), Gicv3Distributor::deassertSPI(), Gicv3Distributor::getIntGroup(), Gicv3Redistributor::getIntGroup(), Gicv3Redistributor::intStatus(), Gicv3Distributor::intStatus(), Gicv3Distributor::isNotSPI(), Gicv3Distributor::sendInt(), Gicv3Redistributor::sendPPInt(), Gicv3Redistributor::update(), and Gicv3Distributor::update().
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Definition at line 61 of file gic_v3.hh.
Referenced by clearPPInt(), getRedistributor(), getRedistributorByAddr(), getRedistributorByAffinity(), init(), sendPPInt(), serialize(), and unserialize().
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Definition at line 77 of file gic_v3.hh.
Referenced by Gicv3Redistributor::clearPPInt(), Gicv3CPUInterface::deactivateIRQ(), Gicv3Distributor::deassertSPI(), Gicv3Distributor::getIntGroup(), Gicv3Redistributor::getIntGroup(), Gicv3Redistributor::intStatus(), Gicv3Distributor::intStatus(), Gicv3Distributor::isNotSPI(), Gicv3Redistributor::read(), Gicv3Distributor::sendInt(), Gicv3Redistributor::sendPPInt(), Gicv3Redistributor::sendSGI(), Gicv3Redistributor::update(), Gicv3Distributor::update(), and Gicv3Redistributor::write().